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Finding the Fourth Proportional to 64,482.20, 96,776.60 and 32,915.58

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Solution

The fourth proportional to 64,482.20, 96,776.60 and 32,915.58 is: 49,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,482.20 : 96,776.60 = 32,915.58 : x
  2. Step 2: Convert to fraction form
    64,482.20/96,776.60 = 32,915.58/x
  3. Step 3: Cross multiply
    64,482.20x = 96,776.60 × 32,915.58
  4. Step 4: Simplify right side
    64,482.20x = 3,185,457,754.85
  5. Step 5: Solve for x
    x = 3,185,457,754.85/64,482.20
  6. Step 6: Final answer
    x = 49,400.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.